# ————————————————————  6.8.1模块的导入和使用  ————————————————————
# import time			     # 导入一个模块
# import random, time		# 导入多个模块
# time.sleep(1)

from time import sleep, time
from time import *
# from time import sleep as sl
# sl(1)   # sl为sleep()函数的别名

